According to fire service official, a call was received at 7.20 pm regarding the collapse of wall of the under construction building.
"A team of fire officials were rushed to the spot and four bodies of labourers, who were working there, was recovered from the debris of the wall of the under construction building," said the official.
The incident took place in L-block area of Hari Nagar when the labourers were working at the site, he said.
"The identities of the deceased have not been established yet and further investigation regarding the owner of the said building is going on," said a senior police official adding that the bodies have been sent to hospital for postmortem.